package HomeWorkOOday01_2;

public class ConsDemo {
    public static void main(String[] args) {
        Student zs=new Student();
        Student  z4=new Student("赵四",44);
        Student lw=new Student("老王",66,"jsd2302","007");
        zs.sayHello();
        z4.sayHello();
        lw.sayHello();
    }
}
